From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 31 Oct 2017 16:21:40 +0200
Subject: drm/bridge: analogix-anx78xx: Remove duplicate NULL check
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 0173bfd421d36464ec91c6c2c76db82e0bcb7699
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Since i2c_unregister_device() became NULL-aware we may remove duplicate
NULL check.

Cc: Archit Taneja <architt@codeaurora.org>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171031142149.32512-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/bridge/analogix-anx78xx.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/gpu/drm/bridge/analogix-anx78xx.c
+++ b/drivers/gpu/drm/bridge/analogix-anx78xx.c
@@ -1301,8 +1301,7 @@ static void unregister_i2c_dummy_clients
 	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(anx78xx->i2c_dummy); i++)
-		if (anx78xx->i2c_dummy[i])
-			i2c_unregister_device(anx78xx->i2c_dummy[i]);
+		i2c_unregister_device(anx78xx->i2c_dummy[i]);
 }
 
 static const struct regmap_config anx78xx_regmap_config = {